<!DOCTYPE html>
<html>
<head>
	<style>
	body, select { font-size:14px; }
	form { margin:5px; }
	p { color:red; margin:5px; }
	b { color:blue; }
	</style>
	<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
	<p><b>Results:</b> <span id="results"></span></p>
	<form>
		<select name="single">
			<option>Single</option>
			<option>Single2</option>
		</select>
		<select name="multiple" multiple="multiple">
			<option selected="selected">Multiple</option>
			<option>Multiple2</option>
			<option selected="selected">Multiple3</option>
		</select><br/>
		<input type="checkbox" name="check" value="check1" id="ch1"/>
		<label for="ch1">check1</label>
		<input type="checkbox" name="check" value="check2" 
				checked="checked" id="ch2"/>
		<label for="ch2">check2</label>
		<input type="radio" name="radio" value="radio1" checked="checked" id="r1"/>
		<label for="r1">radio1</label>
		<input type="radio" name="radio" value="radio2" id="r2"/>
		<label for="r2">radio2</label>
	</form>
<script>
	function showValues() {
		var fields = $(":input").serializeArray();
		$("#results").empty();
		jQuery.each(fields, function(i, field){
			$("#results").append(field.value + " ");
		});
	}
	$(":checkbox, :radio").click(showValues);
	$("select").change(showValues);
	showValues();
</script>
</body>
</html>